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-rw-r--r--fs/hfsplus/wrapper.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 3f999649587f..cc6235671437 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -24,8 +24,8 @@ struct hfsplus_wd {
u16 embed_count;
};
-/*
- * hfsplus_submit_bio - Perfrom block I/O
+/**
+ * hfsplus_submit_bio - Perform block I/O
* @sb: super block of volume for I/O
* @sector: block to read or write, for blocks of HFSPLUS_SECTOR_SIZE bytes
* @buf: buffer for I/O
@@ -231,10 +231,8 @@ reread:
if (blocksize < HFSPLUS_SECTOR_SIZE || ((blocksize - 1) & blocksize))
goto out_free_backup_vhdr;
sbi->alloc_blksz = blocksize;
- sbi->alloc_blksz_shift = 0;
- while ((blocksize >>= 1) != 0)
- sbi->alloc_blksz_shift++;
- blocksize = min(sbi->alloc_blksz, (u32)PAGE_SIZE);
+ sbi->alloc_blksz_shift = ilog2(blocksize);
+ blocksize = min_t(u32, sbi->alloc_blksz, PAGE_SIZE);
/*
* Align block size to block offset.